Only one vote per IP can be voted (within a pre-specified time), but many a times it many happen you have many users from 1 particular IP and if one user votes then others from the same IP are not able to rate from that IP. So, here you can set a time limit after which a vote from IP can be consider again.

The votes get store with time of vote but all those votes which crosses the time limit you specify are removed.

Also, when a user votes/rates, a cookie is established at users end for a specific time, so that a user can't vote again (for the same item, if that user has already voted for the item and the IP removing time period has passed) until he deletes the cookie at his end.

Google Chrome version 42 comes with implementation of interesting options for software developers who want to turn their websites into complex Web applications: Push notification system which is permanently active.

The Windows 10 preview event brought also to the attention of gamers a demonstration of the advantages of the new DirectX 12 API by Microsoft, which announced several technologies providing integration with Xbox One game consoles.